1601715850085 has 16 divisors (see below), whose sum is σ = 2178852332160. Its totient is φ = 1120552626240.

The previous prime is 1601715850081. The next prime is 1601715850093. The reversal of 1601715850085 is 5800585171061.

It is a happy number.

It is not a de Polignac number, because 1601715850085 - 2² = 1601715850081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601715850081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648466721 + ... + 648469190.

It is an arithmetic number, because the mean of its divisors is an integer number (136178270760).

Almost surely, 2^{1601715850085} is an apocalyptic number.

It is an amenable number.

1601715850085 is a deficient number, since it is larger than the sum of its proper divisors (577136482075).

1601715850085 is a wasteful number, since it uses less digits than its factorization.

1601715850085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296935948.

The product of its (nonzero) digits is 336000, while the sum is 47.

The spelling of 1601715850085 in words is "one trillion, six hundred one billion, seven hundred fifteen million, eight hundred fifty thousand, eighty-five".